3882204440

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{249499}}^1$

素因数の和:249899

約数の個数: 32

約数和(自身を含む): 8757450000

約数和(自身を除く): 4875245560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3890, 7780, 15560, 249499, 498998, 997996, 1247495, 1995992, 2494990, 4989980, 9979960, 97055111, 194110222, 388220444, 485275555, 776440888, 970551110, 1941102220, 3882204440]

約数ペア:

[(1, 3882204440), (2, 1941102220), (4, 970551110), (5, 776440888), (8, 485275555), (10, 388220444), (20, 194110222), (40, 97055111), (389, 9979960), (778, 4989980), (1556, 2494990), (1945, 1995992), (3112, 1247495), (3890, 997996), (7780, 498998), (15560, 249499)]